Journal article
THE EFFECT OF LIMITED AERATION ON SWINE MANURE PHOSPHORUS REMOVAL
Journal of environmental science and health. Part B, Pesticides, food contaminants, and agricultural wastes, Vol.36(2), pp.209-218
03/31/2001
Handle:
https://hdl.handle.net/2376/110160
PMID: 11409499
Abstract
Two low level aeration schemes (intermittent vs. continuous)were
investigated on a laboratory scale, in conjunction with swine manure pH adjustment
using sodium hydroxide (1.0 M), for manure
phosphorus (P) removal. According to the data, an 80% reduction in soluble
P was observed when the manure pH was increased to 8. Both intermittent and
continuous aeration treatments could raise manure pH above 8 with an airflow
rate of 1 L/minute in a period of 15 days. A drastic increase in pH (about
1 unit) was observed for both aeration schemes within the first day of test,
resulting in a 76% reduction in soluble P concentration in the liquid. It
appeared that there is no difference in terms of P removal between the two
aeration programs, suggesting that the intermittent aeration be preferred
to save energy while still achieving the same level of P removal.
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Details
- Title
- THE EFFECT OF LIMITED AERATION ON SWINE MANURE PHOSPHORUS REMOVAL
- Creators
- Jun Zhu - Biosystems & Agricultural Engineering Department , Southern Research and Outreach Center , University of MinnesotaAncheng Luo - Biosystems & Agricultural Engineering Department , Southern Research and Outreach Center , University of MinnesotaPius M Ndegwa - Biosystems & Agricultural Engineering Department , Southern Research and Outreach Center , University of Minnesota
- Publication Details
- Journal of environmental science and health. Part B, Pesticides, food contaminants, and agricultural wastes, Vol.36(2), pp.209-218
- Academic Unit
- Biological Systems Engineering, Department of
- Publisher
- Taylor & Francis Group
- Identifiers
- 99900547287701842
- Language
- English
- Resource Type
- Journal article